Overview

The book presents a top-down circuit description for the implementation of asynchronous vision sensors based on Single-Photon Avalanche Diodes (SPADs). It provides design considerations to convey the SPADs pulses through a channel shared by all the pixels. The book also presents architectures where dynamic vision sensors and SPADs converge. Design of Event-Driven SPAD-Based 3D Image Sensors provides detailed technical insights about novel image sensor architectures with SPADs with asynchronous operation. At the sensor level, the book provides asynchronous circuitry to read and arbiter the pixel outputs. The authors explore new LiDAR architectures with asynchronous operation and provide insights into their design. A detailed benchmark of modern and competitive LiDAR systems is also presented. At the pixel level, the book provides design considerations to convey the SPADs pulses through a channel shared by all the pixels. At the sensor level, the book provides asynchronous circuitry to read and arbiter the pixel outputs. Finally, experimental results of very novel LiDAR systems with asynchronous operation will be provided and analyzed. The book is written for professionals who want to explore new tendencies on the design of image sensors for the implementation of LiDAR systems.

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9781032513539

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Dr. Rubén Gómez Merchán received an M.S. (Hons.) degree in microelectronics and the Ph.D. degree in physics- electronics from the University of Seville (US), Seville, Spain, in 2020 and 2024, respectively. From 2018 to 2019, he was with the Department of Electronic Engineering, US, where his main research interests were dc/ dc converters and PV systems. In 2019, he was granted by the Spanish National Research Council (CSIC), starting his activity at the Instituto de Microelectronica de Sevilla (IMSE), US. From September 2022 to December 2022, he was a visiting researcher at Sony Europe Design Center, in Oslo, Norway. His main research interests include smart CMOS sensors and address event representation (AER) vision systems. Dr. Juan Antonio Leñero- Bardallo (Senior Member, IEEE) received an M.Sc. in telecommunications engineering and a Ph.D. in microelectronics from the University of Seville, Seville, Spain, in 2005 and 2010, respectively. After completing his Ph.D., he served in several academic institutions and worked for the semiconductor industry. He was a Postdoctoral Associate at Yale University, New Haven (USA), and the University of Oslo (Norway). Since February 2018, he has been an Associate Professor at the University of Seville, Spain. For more than 20 years, he has been involved in designing Address Event Representation (AER) vision sensors in many application scenarios such as space instrumentation, navigation systems, surveillance, and biomedical systems. Dr. Ángel Rodríguez-Vázquez (Life Fellow, IEEE), received a Ph.D. in physicselectronics from the University of Seville in 1982. After stays at the University of California at Berkeley and Texas A&M University, he became a Full Professor of electronics at the University of Seville in 1995. He co- founded the Instituto de Microelectrónica de Sevilla. In 2001, he was the Main Promotor of AnaFocus Ltd., and served as its CEO until June 2009, when the company reached maturity as a worldwide provider of smart CMOS imagers. He has also participated in the foundation of the Hungarian start- up AnaLogic Ltd. He has ten patents filed; AnaFocus started based on his patents on vision chip architectures. His lab designed many high- performance mixed- signal chips in the framework of Spanish, European, and USA research and development programs. These included three generations of vision chips, analog front- ends for XDSL MoDems, ADCs for wireless communications, ADCs for automotive sensors, chaotic signals generators, and complete MoDems for power- line communications. His research embraces smart imagers, vision chips, and biomedical circuits, always with an emphasis on system integration. He is on the committee of several international journals and conferences. He has chaired several international IEEE and SPIE conferences.

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